Siboney

Recording by Omara Portuondo.

Recording identifiers

ISRC
QMFME1540640
CopyrightID (CopyrightChains transaction hash)
0x3a9ba4ca8ea86b3e4f423a31e9357d3b4569617b49e729a05312903c7ee30ad2
Copyright registration time
2026-06-20T17:51:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d26fd5d396bd73a0d055e6e1e7ab05b4d2bb72236461bfe76e78bd7661360079

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.